CN106737319A - For gear shaft and the fixture of gear hot pressing - Google Patents
For gear shaft and the fixture of gear hot pressing Download PDFInfo
- Publication number
- CN106737319A CN106737319A CN201611211774.4A CN201611211774A CN106737319A CN 106737319 A CN106737319 A CN 106737319A CN 201611211774 A CN201611211774 A CN 201611211774A CN 106737319 A CN106737319 A CN 106737319A
- Authority
- CN
- China
- Prior art keywords
- gear
- bevel gear
- mounting seat
- hot pressing
- base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
- B25B11/02—Assembly jigs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P11/00—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for
- B23P11/02—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for by first expanding and then shrinking or vice versa, e.g. by using pressure fluids; by making force fits
- B23P11/025—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for by first expanding and then shrinking or vice versa, e.g. by using pressure fluids; by making force fits by using heat or cold
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gears, Cams (AREA)
Abstract
The present patent application belongs to and is related to a kind of assembling jig, specifically disclose a kind of for gear shaft and the fixture of gear hot pressing, including base, base upper end center is provided with downwards shoulder hole, base side screw thread is combined with the first screw rod, the end of first screw rod is fixedly connected with first bevel gear, and the side wall of the shoulder hole is provided with the first bar hole for accommodating first bevel gear side；The upper end of the base side is connected with mounting seat, and the second screw rod is threaded with the mounting seat, and the end of second screw rod is fixedly connected with second bevel gear.The hot pressing gear that gear shaft is carried out by bevel gear screwfeed is locked, and various sizes of gear is adapted to by adjusting the displacement of bevel gear, improves the use scope of fixture；The mode of the feeding of bevel gear and gear engagement realizes locking, it is to avoid answer the situation that pinion rotation causes the locating part to return, and clamping is more stablized.
Description
Technical field
The present invention relates to a kind of assembling jig.
Background technology
When existing shaft with gear class part is installed with gear hot pressing to tooth, compression operation is carried out using semicircle pressing plate more, by
It is inconsistent with the axial dimension of shaft with gear class part in top circle, thus positioning is not accurate enough, insufficient clamping force and operation compared with
For cumbersome.
Regarding to the issue above, Chinese patent CN102672642B discloses a kind of shaft with gear class part with gear hot pressing to tooth
Fixture, including base, base are provided with counterbore, and counterbore base is cased with positioning sleeve, and base side wall is installed with guide pin bushing I, rank is installed with guide pin bushing I
Scalariform alignment pin I, the big side of alignment pin I diameters coordinates with guide pin bushing I inwalls, and alignment pin I diameters are cased with spring on small side
I；Base upper end is fixed with support plate, and the center line above-below direction position degree that support plate side wall is installed with guide pin bushing II, guide pin bushing II and guide pin bushing I is permitted
Difference is less than or equal to 0.02mm, and stepped alignment pin II, the big side of alignment pin II diameters and guide pin bushing II inwalls are installed with guide pin bushing II
Coordinate, alignment pin II diameters are cased with spring II on small side.The fixation of shaft with gear class part is carried out using alignment pin I, is utilized
Alignment pin II fixes hot pressing gear.
But, above-mentioned technical proposal has the following disadvantages：Because the end size of alignment pin is fixed, due to the teeth groove of gear
It is arc surfaced, is easily skidded when the end of alignment pin mutually clamps with teeth groove, gear easily drives positioning in the presence of revolving force
Pin overcomes spring force and returns, and clamps and unstable；In addition, the fixture cannot realize that various sizes of gear is clamped,
The range of application of fixture is less than normal, and practicality is substantially reduced.
The content of the invention
It is an object of the invention to provide the fixture for gear shaft and gear hot pressing, to solve present in prior art
Gear clamping is unstable, and cannot be directed to the problem that different gears are clamped.
In order to achieve the above object, base case of the invention provides a kind of for gear shaft and the fixture of gear hot pressing,
Including base, base upper end center is provided with downwards shoulder hole, and base side screw thread is combined with the first screw rod, first spiral shell
The end of bar is fixedly connected with first bevel gear, the side wall of the shoulder hole be provided with for accommodate first bevel gear side
One bar hole；The upper end of the base side is connected with mounting seat, and the second screw rod, described are threaded with the mounting seat
The end of two screw rods is fixedly connected with second bevel gear.
The principle of this base case is：Gear shaft passes through shoulder hole, the axle tooth of gear shaft to be resisted against the step of shoulder hole
On, drive the side of first bevel gear swivel feeding, first bevel gear to pass through the first bar hole and axle by rotating the first screw rod
Tooth is engaged, and then realizes the spacing of axle tooth, fixed gear shaft；The gear of hot pressing will be needed installed in the shaft end of gear shaft, rotated
Second screw rod drives second bevel gear screwfeed, and second bevel gear screwfeed and hot pressing gear are engaged, and realize hot pressing gear
Fixation.For various sizes of gear, the feeding displacement for adjusting first bevel gear and second bevel gear is locked respectively.
The beneficial effect of this base case is：The locking of the hot pressing gear of gear shaft is carried out by bevel gear screwfeed
It is fixed, various sizes of gear is adapted to by adjusting the displacement of bevel gear, improve the use scope of fixture；Bevel gear enters
Locking is realized to the mode engaged with gear, it is to avoid answer the situation that pinion rotation causes the locating part to return, clamp more steady
It is fixed.
Scheme two：Preferably the mounting seat is rotatably connected on base for further for this, the center of rotation of mounting seat and
Second bevel gear is concentric, and the mounting seat is provided with the retaining mechanism for fixed mounting.Mounting seat is rotated, when locking heat
After knob wheel, hot pressing pinion rotation is driven to certain angle by rotate mounting seat, to adjust the gear teeth of hot pressing gear
Direction, determines the fit angle of hot pressing gear and gear shaft.
Scheme three：, for further preferably, the retaining mechanism is the screw through mounting seat, the screw thread connects for this
It is connected in mounting seat, the end of screw and base upper surface offset.Screw is tightened, the end of screw and base upper surface are offseted
Tightly, the fixation of mounting seat, simple structure and fixation are realized by the frictional force of screw end.
Scheme four：This is for further preferably, the bottom of the shoulder hole is combined with positioning sleeve, the side of the positioning sleeve
It is provided with second bar hole corresponding with the first bar hole on shoulder hole.Gear shaft can be determined by coordinating positioning sleeve
Position, various sizes of gear shaft is can adapt to changing various sizes of positioning sleeve, and the setting of the second bar hole is easy for the first cone
Gear is engaged through positioning sleeve and axle tooth.
Scheme five：This is preferably rotatably connected to rotating shaft for further on the base, mounting seat passes through the axis of rotation
It is connected on base.Support and guiding by rotating shaft, to improve the stability of mounting seat.
Scheme six：This for it is further preferably, the small size end of the first bevel gear upward, the small chi of second bevel gear
Very little end is down.It is arranged using the technical scheme, first bevel gear is locked to upper feeding, second bevel gear is locked to lower feeding
Tightly, space layout is more reasonable.
Brief description of the drawings
Fig. 1 is the present invention for gear shaft and the schematic diagram of the fixture embodiment of gear hot pressing.
Specific embodiment
Below by specific embodiment, the present invention is further detailed explanation：
Reference in Figure of description includes：Base 1, shoulder hole 11, mounting seat 2, screw 21, the first screw rod 3, first are bored
Gear 31, the second screw rod 4, second bevel gear 41, positioning sleeve 5.
Embodiment is substantially as shown in Figure 1：
For gear shaft and the fixture of gear hot pressing, including the base 1 on workbench is arranged on, the upper end center of base 1 is downward
Shoulder hole 11 is provided with, the side screw thread of base 1 is combined with the first screw rod 3, and the end of the first screw rod 3 is fixedly connected with first bevel gear
31, the side wall of shoulder hole 11 is provided with the first bar hole for accommodating first bevel gear side；The upper end of the side of the base 1
Mounting seat 2 is connected with, mounting seat 2 is rotatably connected on base 1, the center of rotation and second bevel gear 41 of mounting seat 2 are concentric,
Rotating shaft is rotatably connected on base 1, mounting seat 2 is connected on base 1 by the axis of rotation.Mounting seat 2 is provided with for solid
Determine the retaining mechanism of mounting seat 2.The second screw rod 4 is threaded with mounting seat 2, the end of the second screw rod 4 is fixedly connected with
Two bevel gears 41.Mounting seat 2 is rotated, and after hot pressing gear is locked, heat is driven to certain angle by rotate mounting seat 2
Pressure pinion rotation, to adjust the direction of the gear teeth of hot pressing gear, determines the fit angle of hot pressing gear and gear shaft.
Upward, the small size end of second bevel gear 41 is down for the small size end of first bevel gear 31.Using the technical scheme
It is arranged, first bevel gear 31 is locked to upper feeding, second bevel gear 41 is locked to lower feeding, and space layout is more closed
Reason.Retaining mechanism is the screw 21 through mounting seat 2, and the screw 21 is threaded in mounting seat 2, the end of screw 21 and
The upper surface of base 1 offsets.Screw 21 is tightened, the end of screw 21 and the upper surface of base 1 is offseted, by the end of screw 21
Frictional force realizes the fixation of mounting seat 2, simple structure and fixation.
The bottom of shoulder hole 11 is combined with positioning sleeve 5, and the side of the positioning sleeve 5 is provided with and first on shoulder hole 11
The second corresponding bar hole of shape hole.Gear shaft can be positioned by coordinating positioning sleeve 5, with changing various sizes of positioning
Set 5 can adapt to various sizes of gear shaft, and the setting of the second bar hole is easy for first bevel gear 31 through positioning sleeve 5 and axle
Tooth is engaged.
Operation principle：Gear shaft passes through shoulder hole 11, the axle tooth of gear shaft to be resisted against on the step of shoulder hole 11, by turning
Dynamic first screw rod 3 drives the side of the swivel feeding of first bevel gear 31, first bevel gear to be engaged through the first bar hole and axle tooth,
And then realize the spacing of axle tooth, fixed gear shaft；The gear of hot pressing will be needed installed in the shaft end of gear shaft, the second screw rod is rotated
4 drive the screwfeed of second bevel gear 41, and the screwfeed of second bevel gear 41 and hot pressing gear are engaged, and realize consolidating for hot pressing gear
It is fixed.For various sizes of gear, the feeding displacement for adjusting first bevel gear 31 and second bevel gear 41 is locked respectively.It is logical
Cross bevel gear screwfeed and carry out the hot pressing gear of gear shaft and be locked, by adjusting the displacement of bevel gear adapt to difference
The gear of size, improves the use scope of fixture；The mode of the feeding of bevel gear and gear engagement realizes locking, it is to avoid should
Pinion rotation causes the situation that locating part is return, and clamping is more stablized.
Above-described is only embodiments of the invention, and the general knowledge such as known concrete technical scheme was not made herein in scheme
Many descriptions.It should be pointed out that for a person skilled in the art, on the premise of technical solution of the present invention is not departed from, may be used also
To make some improvement, these should also be considered as protection scope of the present invention, these effects implemented all without the influence present invention
And practical applicability.This application claims protection domain should be defined by the content of its claim, it is specific in specification
Implementation method etc. records the content that can be used for explaining claim.
Claims (6)
1. a kind of for gear shaft and the fixture of gear hot pressing, including base, base upper end center is provided with downwards shoulder hole, and it is special
Levy and be：Base side screw thread is combined with the first screw rod, and the end of first screw rod is fixedly connected with first bevel gear,
The side wall of the shoulder hole is provided with the first bar hole for accommodating first bevel gear side；The upper end of the base side connects
Mounting seat is connected to, the second screw rod is threaded with the mounting seat, the end of second screw rod is fixedly connected with the second cone
Gear.
2. according to claim 1 for gear shaft and the fixture of gear hot pressing, it is characterised in that：The mounting seat is rotated
It is connected on base, the center of rotation and second bevel gear of mounting seat are concentric, and the mounting seat is provided with for fixedly mounting
The retaining mechanism of seat.
3. according to claim 2 for gear shaft and the fixture of gear hot pressing, it is characterised in that：The retaining mechanism is
Through the screw of mounting seat, the screw thread is connected in mounting seat, and the end of screw and base upper surface offset.
4. according to claim 2 for gear shaft and the fixture of gear hot pressing, it is characterised in that：The bottom of the shoulder hole
Portion is combined with positioning sleeve, and the side of the positioning sleeve is provided with second bar hole corresponding with the first bar hole on shoulder hole.
5. according to claim 2 for gear shaft and the fixture of gear hot pressing, it is characterised in that：Rotated on the base
Rotating shaft is connected with, mounting seat is connected on base by the axis of rotation.
6. according to claim 1 for gear shaft and the fixture of gear hot pressing, it is characterised in that：The first bevel gear
Small size end upward, the small size end of second bevel gear is down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611211774.4A CN106737319B (en) | 2016-12-25 | 2016-12-25 | For gear shaft and the fixture of gear hot pressing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611211774.4A CN106737319B (en) | 2016-12-25 | 2016-12-25 | For gear shaft and the fixture of gear hot pressing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106737319A true CN106737319A (en) | 2017-05-31 |
| CN106737319B CN106737319B (en) | 2018-06-12 |
Family
ID=58920002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611211774.4A Active CN106737319B (en) | 2016-12-25 | 2016-12-25 | For gear shaft and the fixture of gear hot pressing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106737319B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007144609A (en) * | 2005-10-31 | 2007-06-14 | Mazda Motor Corp | Shrink fitting device for crankshaft gear and method therefor |
| CN102029501A (en) * | 2010-12-17 | 2011-04-27 | 华中科技大学 | Automatic hot-pressing assembly device of balancing shaft and helical gear |
| CN102672642A (en) * | 2012-05-23 | 2012-09-19 | 中国重汽集团大同齿轮有限公司 | Hot-press tooth-aligning clamp for toothed shaft part and gear |
| CN103341752A (en) * | 2013-06-26 | 2013-10-09 | 中国重汽集团大同齿轮有限公司 | Gear press-mounting fixture |
| CN103350406A (en) * | 2013-06-28 | 2013-10-16 | 洛阳北川重工机械有限公司 | Tooth aligning shrinkage fitting clamp for duplicate gear |
| CN103802045A (en) * | 2012-11-07 | 2014-05-21 | 广西玉柴机器股份有限公司 | Crankshaft timing gear installing and positioning mechanism |
-
2016
- 2016-12-25 CN CN201611211774.4A patent/CN106737319B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007144609A (en) * | 2005-10-31 | 2007-06-14 | Mazda Motor Corp | Shrink fitting device for crankshaft gear and method therefor |
| CN102029501A (en) * | 2010-12-17 | 2011-04-27 | 华中科技大学 | Automatic hot-pressing assembly device of balancing shaft and helical gear |
| CN102672642A (en) * | 2012-05-23 | 2012-09-19 | 中国重汽集团大同齿轮有限公司 | Hot-press tooth-aligning clamp for toothed shaft part and gear |
| CN103802045A (en) * | 2012-11-07 | 2014-05-21 | 广西玉柴机器股份有限公司 | Crankshaft timing gear installing and positioning mechanism |
| CN103341752A (en) * | 2013-06-26 | 2013-10-09 | 中国重汽集团大同齿轮有限公司 | Gear press-mounting fixture |
| CN103350406A (en) * | 2013-06-28 | 2013-10-16 | 洛阳北川重工机械有限公司 | Tooth aligning shrinkage fitting clamp for duplicate gear |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106737319B (en) | 2018-06-12 |
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| PB01 | Publication | ||
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20190805 Address after: Xiangyu Street Airport Development Zone Road 401120 Chongqing city Yubei District Shuangfeng Bridge No. 15 Building 2 Patentee after: Chongqing Bochuang Intellectual Property Operations Co., Ltd. Address before: 402160 Zengjiawan Villagers Group of Shengli Village, Shengli Road Office, Yongchuan District, Chongqing Patentee before: CHONGQING SAIYAN MACHINERY CO., LTD. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200508 Address after: 400000 Lei Jia Wan she, Baziqiao village, Fenghuang Town, Shapingba District, Chongqing Patentee after: Chongqing baoao Technology Co., Ltd Address before: Xiangyu Street Airport Development Zone Road 401120 Chongqing city Yubei District Shuangfeng Bridge No. 15 Building 2 Patentee before: Chongqing Bochuang Intellectual Property Operations Co., Ltd. |
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| TR01 | Transfer of patent right |